2. Check up a condition of the bearing which should rotate easily and in regular intervals and should not have люфта between an internal and external ring. If necessary replace the bearing.

3. Using a universal stripper with the big course, remove the intermediate bearing from a power shaft. Grease an internal ring of the new bearing, using a hammer and a corresponding tube which rests against an internal ring of the bearing. Establish the new bearing on a power shaft.

4. Check up, that the bearing rotated easily and in regular intervals.